Staining Reagents

Stains, staining systems, and blocking agents in a variety of types, grades, molecular weights, purities, and pH ranges; used to elucidate important structures of microorganisms including bacteria, viruses, protozoa, etc.

Stains and Dyes (9,258)

Tissue Stain Blocking Reagents (83)

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1,966 – 1,980 of 7,188 results

1,966

Ferroin Indicator Solution, 0.025M Orthophenanthroline TS, Reagents

Ferroin Indicator Solution, 0.025M Orthophenanthroline TS, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
CAS	5144-89-8
Color	Dark Red
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Ferroin Indicator Solution, 0.025M Orthophenanthroline TS
Grade	Reagent
Synonym	O-Phenanthroline, 1,10-Phenanthroline
Specific Gravity	1.01

1,967

1% Phenolphthalein in 50% Isopropanol Indicator 5, Reagents

1% Phenolphthalein in 50% Isopropanol Indicator 5, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	82°C
Percent Purity	1%
CAS	67-63-0
Color	Colorless
Physical Form	Liquid
pH	<8
Packaging	Poly Bottle
Chemical Name or Material	1% Phenolphthalein in 50% Isopropanol Indicator 5
Grade	Reagent
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
Molecular Formula	C20H14O4/C3H7OH/H2O
Specific Gravity	0.9

1,968

Xylenol Orange Indicator, 0.05% w/v, Reagents

Xylenol Orange Indicator, 0.05% w/v, Reagent, for general laboratory use. Store in a cool, dry place. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	100°C
Percent Purity	0.05%
CAS	3618-43-7
Color	Red
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Xylenol Orange Indicator, 0.05% w/v
Grade	Reagent
Molecular Formula	C31H28N2Na4O13S/H2O
Specific Gravity	1.0001

1,969

Phenolphthalein, 0.0074% w/v in IPA, Reagents

CAS: 67-63-0 Molecular Formula: C3H8O Molecular Weight (g/mol): 60.10 InChI Key: KFZMGEQAYNKOFK-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: propan-2-ol SMILES: CC(C)O

Pricing & Availability
Specifications

CAS	67-63-0
Molecular Weight (g/mol)	60.10
SMILES	CC(C)O
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	propan-2-ol
InChI Key	KFZMGEQAYNKOFK-UHFFFAOYSA-N
Molecular Formula	C3H8O

1,970

Methyl Red, 0.04% Aqueous, Reagents

CAS: 7732-18-5 Molecular Formula: H2O Molecular Weight (g/mol): 18.02 InChI Key: XLYOFNOQVPJJNP-UHFFFAOYSA-N Synonym: Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid IUPAC Name: water SMILES: O

Pricing & Availability
Specifications

CAS	7732-18-5
Molecular Weight (g/mol)	18.02
SMILES	O
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
IUPAC Name	water
InChI Key	XLYOFNOQVPJJNP-UHFFFAOYSA-N
Molecular Formula	H2O

1,971

Heartwood Indicator B, Reagents

Heartwood Indicator B, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,972

Methyl Red Indicator, 0.02% in Methanol, Reagents

Methyl Red Indicator, 0.02% in Methanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	65°C
Percent Purity	0.02%
CAS	493-52-7
Color	Red
Physical Form	Liquid
Packaging	Poly Bottle
Chemical Name or Material	Methyl Red Indicator, 0.02% in Methanol
Grade	Reagent
Synonym	Acid Red 2, 2-[[4-(Dimethylamino)phenyl]diazenyl]benzoic Acid
Specific Gravity	0.7866

1,973

Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol, Reagents

Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	123°C
Percent Purity	0.5%
CAS	1787-61-7
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Eriochrome Black T Indicator, 0.5% w/v in 2-Methoxyethanol
Grade	Reagent
Synonym	Water hardness indicator
Specific Gravity	0.97

1,974

Murexide-Sodium Chloride (APHA) Water Hardness Indicator, Reagents

Murexide-Sodium Chloride (APHA) Water Hardness Indicator, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Boiling Point	1461°C
CAS	3051-09-0
Color	Pink
Physical Form	Solid
pH	5 to 9
Chemical Name or Material	Murexide-Sodium Chloride (APHA) Water Hardness Indicator
Grade	Reagent
Synonym	Ammonium Purpurate, Color Index 56085
Specific Gravity	2.1

1,975

Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine, Reagents

Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability
Specifications

Percent Purity	0.8%
CAS	67-63-0
Color	Dark Blue
Physical Form	Liquid
Packaging	Glass Bottle
Chemical Name or Material	Eriochrome Black T Indicator in 40% Ethanol/60% Triethanolamine
Grade	Reagent
Synonym	Water hardness indicator
Specific Gravity	0.9982

1,976

Eriochrome Black T 0.5% in Triethanolamine, Reagents

CAS: 102-71-6 Molecular Formula: C6H15NO3 Molecular Weight (g/mol): 149.19 MDL Number: MFCD00002855 InChI Key: GSEJCLTVZPLZKY-UHFFFAOYSA-N Synonym: Water hardness indicator IUPAC Name: 2-[bis(2-hydroxyethyl)amino]ethan-1-ol SMILES: OCCN(CCO)CCO

Pricing & Availability
Specifications

CAS	102-71-6
Molecular Weight (g/mol)	149.19
MDL Number	MFCD00002855
SMILES	OCCN(CCO)CCO
Synonym	Water hardness indicator
IUPAC Name	2-[bis(2-hydroxyethyl)amino]ethan-1-ol
InChI Key	GSEJCLTVZPLZKY-UHFFFAOYSA-N
Molecular Formula	C6H15NO3

1,977

Gentian Violet, 2% Methanolic, Certified, LabChem™

CAS: 548-62-9 Molecular Formula: C25H30ClN3 Molecular Weight (g/mol): 407.986 InChI Key: ZXJXZNDDNMQXFV-UHFFFAOYSA-M PubChem CID: 11057 ChEBI: CHEBI:41688 IUPAC Name: [4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride SMILES: CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]

Pricing & Availability
Specifications

PubChem CID	11057
CAS	548-62-9
Molecular Weight (g/mol)	407.986
ChEBI	CHEBI:41688
SMILES	CN(C)C1=CC=C(C=C1)C(=C2C=CC(=[N+](C)C)C=C2)C3=CC=C(C=C3)N(C)C.[Cl-]
IUPAC Name	[4-[bis[4-(dimethylamino)phenyl]methylidene]cyclohexa-2,5-dien-1-ylidene]-dimethylazanium;chloride
InChI Key	ZXJXZNDDNMQXFV-UHFFFAOYSA-M
Molecular Formula	C25H30ClN3

1,978

Bromothymol Blue Indicator, 0.2% w/v, Reagents

Bromothymol Blue Indicator, 0.2% w/v, Reagent, for general laboratory use. Manufactured in ISO 9001 facility.

Pricing & Availability

1,979

Phenolphthalein TS, Reagents

CAS: 64-17-5 Molecular Formula: C2H6O Molecular Weight (g/mol): 46.07 InChI Key: LFQSCWFLJHTTHZ-UHFFFAOYSA-N Synonym: 3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one IUPAC Name: ethanol SMILES: CCO

Pricing & Availability
Specifications

CAS	64-17-5
Molecular Weight (g/mol)	46.07
SMILES	CCO
Synonym	3,3-Bis(4-hydroxyphenyl)isobenzofuran-1(3H)-one
IUPAC Name	ethanol
InChI Key	LFQSCWFLJHTTHZ-UHFFFAOYSA-N
Molecular Formula	C2H6O

1,980

Diphenylcarbazone-Bromophenol Blue, For Chloride, Certified, LabChem™

Pricing & Availability
Specifications

Linear Formula	C₁₃H₁₄N₄O
Color	Orange
Physical Form	Liquid
UN Number	UN1993
Chemical Name or Material	Diphenylcarbazone-Bromophenol Blue
Grade	Certified
Identification	Passes Test
Name Note	For Chloride
CAS	115-39-9
Health Hazard 3	GHS P Statement Keep away from heat, sparks, open flames, hot surfaces. No smoking. Keep container tightly closed. Ground/bond container and receiving equipment. Use explosion-proof electrical, ventilating, lighting equipment. Use only non-sparking tools. Take precautionary measures against static discharge. Avoid breathing vapors. Use only outdoors or in a well-ventilated area. Wear eye protection, protective gloves. Wash exposed skin thoroughly after handling. If on skin (or hair): Remove/Take off immediately all contaminated clothing. Rinse skin with water/shower. If inhaled: Remove person to fresh air and keep comfortable for breathing. Call a poison center/doctor if you feel unwell. If in eyes: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. If eye irritation persists: Get medical advice/attention. Store locked up in a cool, well-ventilated place. Dispose of contents/container to comply with local, state and federal regulations.
Decomposition Information	Sulfur compounds; Carbon monoxide; Carbon dioxide; May release flammable gases; Nitrogen oxides; Hydrogen bromide
Health Hazard 2	GHS H Statement Highly flammable liquid and vapor. Causes serious eye irritation. May cause respiratory irritation.
Solubility Information	Soluble in water
Health Hazard 1	Danger
Recommended Storage	Room Temperature
Formula Weight	242.28
CAS Max %	0.05
Suitability	Passes Test

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